22681864404 has 48 divisors (see below), whose sum is σ = 58931971840. Its totient is φ = 7544275200.

The previous prime is 22681864343. The next prime is 22681864411. The reversal of 22681864404 is 40446818622.

22681864404 is a `hidden beast` number, since 2 + 2 + 68 + 186 + 4 + 404 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22681864404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176797 + ... + 276804.

Almost surely, 2^22681864404 is an apocalyptic number.

It is an amenable number.

22681864404 is an abundant number, since it is smaller than the sum of its proper divisors (36250107436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22681864404 is a wasteful number, since it uses less digits than its factorization.

22681864404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454077 (or 454069 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 22681864404 in words is "twenty-two billion, six hundred eighty-one million, eight hundred sixty-four thousand, four hundred four".